Pith Number

pith:QUOT2CVI

pith:2020:QUOT2CVI3TXO6XLLGQSIWNSQG7

not attested not anchored not stored refs pending

A Lyapunov Approach to Barrier-Function Based Time-Varying Gains Higher Order Sliding Mode Controllers

Hussein Obeid, Leonid Fridman, Mohamed Harmouche, Salah Laghrouche, Yacine Chitour

arxiv:2002.10907 v1 · 2020-02-22 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QUOT2CVI3TXO6XLLGQSIWNSQG7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:43:49.585800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

851d3d0aa8dceeef5d6b34248b365037c783cbff312bc37f0ea5e6243484b52a

Aliases

arxiv: 2002.10907 · arxiv_version: 2002.10907v1 · doi: 10.48550/arxiv.2002.10907 · pith_short_12: QUOT2CVI3TXO · pith_short_16: QUOT2CVI3TXO6XLL · pith_short_8: QUOT2CVI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QUOT2CVI3TXO6XLLGQSIWNSQG7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 851d3d0aa8dceeef5d6b34248b365037c783cbff312bc37f0ea5e6243484b52a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11e3f44e4734ccd11a5a9548c80f1a091a114ea6769de640e4447e6cd2b8d476",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-02-22T18:22:59Z",
    "title_canon_sha256": "0e86fb6cf63529f52cf644cdec2f7f67e951dbc3d60eed2036a7125a5cfbb386"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.10907",
    "kind": "arxiv",
    "version": 1
  }
}